681222555

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 1452971520

約数和(自身を除く): 771748965

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 43, 45, 51, 59, 65, 81, 85, 117, 129, 135, 153, 177, 195, 215, 221, 243, 255, 295, 351, 387, 405, 459, 531, 559, 585, 645, 663, 731, 765, 767, 885, 1003, 1053, 1105, 1161, 1215, 1377, 1593, 1677, 1755, 1935, 1989, 2193, 2295, 2301, 2537, 2655, 2795, 3009, 3159, 3315, 3483, 3655, 3835, 4131, 4779, 5015, 5031, 5265, 5805, 5967, 6579, 6885, 6903, 7611, 7965, 8385, 9027, 9503, 9945, 10449, 10965, 11505, 12685, 13039, 14337, 15045, 15093, 15795, 17415, 17901, 19737, 20655, 20709, 22833, 23895, 25155, 27081, 28509, 29835, 32895, 32981, 34515, 38055, 39117, 43129, 45135, 45279, 47515, 52245, 53703, 59211, 62127, 65195, 68499, 71685, 75465, 81243, 85527, 89505, 98685, 98943, 103545, 114165, 117351, 129387, 135405, 135837, 142545, 164905, 177633, 186381, 195585, 205497, 215645, 226395, 243729, 256581, 268515, 296055, 296829, 310635, 342495, 352053, 388161, 406215, 427635, 494715, 560677, 586755, 616491, 646935, 679185, 769743, 888165, 890487, 931905, 1027485, 1056159, 1164483, 1218645, 1282905, 1484145, 1682031, 1760265, 1940805, 2309229, 2671461, 2803385, 3082455, 3168477, 3493449, 3848715, 4452435, 5046093, 5280795, 5822415, 8014383, 8410155, 10480347, 11546145, 13357305, 15138279, 15842385, 17467245, 25230465, 40071915, 45414837, 52401735, 75691395, 136244511, 227074185, 681222555]

約数ペア:

[(1, 681222555), (3, 227074185), (5, 136244511), (9, 75691395), (13, 52401735), (15, 45414837), (17, 40071915), (27, 25230465), (39, 17467245), (43, 15842385), (45, 15138279), (51, 13357305), (59, 11546145), (65, 10480347), (81, 8410155), (85, 8014383), (117, 5822415), (129, 5280795), (135, 5046093), (153, 4452435), (177, 3848715), (195, 3493449), (215, 3168477), (221, 3082455), (243, 2803385), (255, 2671461), (295, 2309229), (351, 1940805), (387, 1760265), (405, 1682031), (459, 1484145), (531, 1282905), (559, 1218645), (585, 1164483), (645, 1056159), (663, 1027485), (731, 931905), (765, 890487), (767, 888165), (885, 769743), (1003, 679185), (1053, 646935), (1105, 616491), (1161, 586755), (1215, 560677), (1377, 494715), (1593, 427635), (1677, 406215), (1755, 388161), (1935, 352053), (1989, 342495), (2193, 310635), (2295, 296829), (2301, 296055), (2537, 268515), (2655, 256581), (2795, 243729), (3009, 226395), (3159, 215645), (3315, 205497), (3483, 195585), (3655, 186381), (3835, 177633), (4131, 164905), (4779, 142545), (5015, 135837), (5031, 135405), (5265, 129387), (5805, 117351), (5967, 114165), (6579, 103545), (6885, 98943), (6903, 98685), (7611, 89505), (7965, 85527), (8385, 81243), (9027, 75465), (9503, 71685), (9945, 68499), (10449, 65195), (10965, 62127), (11505, 59211), (12685, 53703), (13039, 52245), (14337, 47515), (15045, 45279), (15093, 45135), (15795, 43129), (17415, 39117), (17901, 38055), (19737, 34515), (20655, 32981), (20709, 32895), (22833, 29835), (23895, 28509), (25155, 27081)]